Analytical Chemistry Question 234

Question: The simplest formula of a compound containing 50% of element X (at. wt. 10) and 50% of element Y (at. wt =20) is

[DPMT 2000]

Options:

A) $ X_2Y_3 $

B) $ XY_2 $

C) $ X_2Y $

D) $ XY $

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Answer:

Correct Answer: C

Solution:

$ X=\frac{50}{10}=5 $ ; $ Y=\frac{50}{20}=2.5 $ Ratio of g atoms of X and Y = 2 : 1